chown -R root /var/empty/
ssh-keygen -t ed25519 -f ssh_host_ed25519_key -N ""
ssh-keygen -t ecdsa -f ssh_host_ecdsa_key -N ""
ssh-keygen -t dsa -f ssh_host_dsa_key -N ""
ssh-keygen -t rsa -f ssh_host_rsa_key -N ""
ssh-keygen -t rsa1 -f ssh_host_key -N ""

